Mechanical Operations Maximum size reduction in a ball mill is done by the, __________ action. Impact Compression Attrition Cutting Impact Compression Attrition Cutting ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is the most suitable for cleaning of fine coal dust (<0.5 mm)? Froth floatation Spiral separator Baum jig washer Trough washer Froth floatation Spiral separator Baum jig washer Trough washer ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pick out the wrong statement pertaining to the roll crushers. Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced Both the rolls run necessarily at the same speed For hard material's crushing, the reduction ratio should not exceed 4 Maximum feed size determines the required roll diameter Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced Both the rolls run necessarily at the same speed For hard material's crushing, the reduction ratio should not exceed 4 Maximum feed size determines the required roll diameter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Length/diameter ratio of a ball mill is 1 < 1 1.5 > 1 1 < 1 1.5 > 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of the __________ can be suitably done by ball mills, crushing rolls and rod mills. Basic slags Asbestos & mica Metalliferrous ores Non-metallic ores Basic slags Asbestos & mica Metalliferrous ores Non-metallic ores ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most suitable equipment for removing the fine dust particle (< 1 micron dia.) from air below its dew point will be a/an Bag filter Cyclone separator Wet scrubber Electrostatic precipitator Bag filter Cyclone separator Wet scrubber Electrostatic precipitator ANSWER DOWNLOAD EXAMIANS APP
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